Bread slicing machine



FIG. 1 is a top plan view of a bread slicing machine showing my new design;

FIG. 2 is a left-side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines are for illustrative purposes only and for no part of the claimed design. 

The ornamental design for a bread slicing machine, as shown and described. 